Beginning mid-month, Uniqlo will open a pop-up store within the Union Square subway station. Located at the east end of the station, the temporary store will sell winter gear including the brand’s $50 puffer jackets and HeatTech layers. Huge perk: every purchase earns a free $5 MetroCard. The pop up is open through Christmas.
Next week (October 14th to October 18th), material and equipment deliveries and installation work will continue on the academic floors inside the building.
The following week (October 21st to October 25th), material and equipment deliveries and installation work will continue on academic floors.
This weekend the site will be open on Saturday, October 12th for interior activities between the work hours of 7AM and 5PM as permitted by the City.
Read all about the sales difficulties of 61 5th Avenue and see lots of pictures here.
Soon to arrive in the former Blick Art space. 
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Perhaps looking east at the southeast corner of the square, where 14th St. hits Union Square East? Before the statue of Washington was moved to its present location? 
You may have noticed construction work speeding along at the corner of 13th St. and 4th Ave. This is to be an 11-story, 162-room hotel in the medium price range. It’s being built by Sam Chang, the king of New York hotel development. He’s famous for finding ways to squeeze hotels onto tiny lots. In this case he’s keeping the facade of the former building as a kind of pedestal. Unusually sensitive for a developer who is usually accused of having no architectural taste whatsoever.
A major renovation is coming to the former Tammany Hall headquarters in Union Square where owners want to put a new glass dome over the landmarked building and demolish a theater to make way for retail and office space, the project’s architects said.
The historic structure at 44 Union Square East, built in 1929 to house the Democratic Party machine, will undergo a major overhaul that will restore the facade, gut the existing theater and add windows and glassier storefronts, according to BKSK Architects which is designing the project.
The most striking change will be a new 30-foot glass dome on top of the building, which will add about 27,000 square feet to the structure and will house office space, according to Harry Kendall, a partner at BKSK.
“Our effort is…to make it a more distinctive destination and presence on Union Square,” Kendall said. “We think we can make this building into something it never was.”
After hearing a presentation about the proposal this week, Community Board 5’s Landmarks Committee voted unanimously to reject it, saying the changes would be too drastic for an historic building that was just landmarked last year.
“While I like the way it looks — can you put something like this on a landmarked building?” said Edward Klimerman, a committee member. “It turns it into a different building.”
The Landmarks Preservation Commission designated the building as a landmark in June 2013, noting its references to early American architecture, including Colonial columns out front. The building’s design drew inspiration from the original Federal Hall in Lower Manhattan, where George Washington took his first oath of office.